片语

voltage sag measurement电压凹陷测量

voltage sag prevention瞬低対策

voltage sag and flicker电压跌落和闪变

Voltage Sag Detection电压凹陷检测

voltage sag compensator瞬低保护装置

voltage sag severity电压暂降严重性

voltage sag magnitude凹陷幅值

Voltage Sag Generator电压跌落发生器

voltage sag indices瞬低指标

英汉例句

• the dynamic voltage restorer is designed as unilateral energy flow equipment which can compensate continuous voltage sag or swell resulted from the voltage drop of power cable.

  动态电压恢复器采用单向馈能电路结构，可以在能量单向流动的情况下，实现对因电缆压降而产生的电压暂降或暂升的持续补偿。

• this method can provide the reference for electric utilities and users for evaluation of power quality, offering the economic parameters to evaluate voltage sag under electric markets environment.

  该方法可作为电力公司和用户评价电能质量的参考，并为电力市场环境下合理评价电压凹陷提供了经济指标。

• these voltage perturbations along with voltage sag can strongly degrade customer power quality.

  这些电压扰动和电压降将严重影响用户端的电能质量。

• aiming at the problem of voltage sag real-time detection, the time-varying kalman filter with compensation component is presented.

  针对电压凹陷的实时检测问题，提出了带补偿分量的时变卡尔曼滤波。

• the correct detection of the voltage sag characteristics (its magnitude, duration and phase angle jump) is of great importance for the power quality evaluation and its mitigation.

  对于电压凹陷的三大特征量幅值、持续时间和相位跳变的準确检测是电压质量评估与抑制干扰首先要解决的重要课题。

• on the basis of the study, a prototype of 150kva capacity has been built, and the control occurred of voltage sag and harmonic have been achieved using this prototype as a platform.

  在研究的基础上搭建了一台容量为150kva的样机，以此样机为平台实现了对电压暂降、谐波发生的控制。

• research on a new method of voltage sag measure and voltage compensation strategies .

  一种新的电压凹陷检测及其补偿控制策略研究。

• voltage sag not only causes drop of voltage magnitude, but also results in sudden changes of the phase angle, hence the difficulty of compensation is further increased.

  电压暂降除了幅值减小外，还往往伴随着相角跳变，这样更增加了补偿难度。

• influence of solid-state current limiter upon the voltage sag in electric power system;

  电压跌落是供电系统的一种较为突出的电能质量问题，正日益被关注。

• transient power quality issues have been becoming extrusive, such as voltage well, voltage sag and voltage interruption, and bring customers amount of loss.

  暂态电能质量问题越来越突出，如电压跌落、骤升、短时断电等现象经常发生，给用户带来了很大的损失。

• the experiment of researching character of the transducer during voltage sag is carried through, which shows the application value.

  最后以变频器经受电压凹陷特性的研究示例说明该装置的应用价值。

• a new method to assess the voltage sag sensitivity of sensitive equipment is proposed based on the best square approximation.

  提出了基于最佳平方逼近法来评估敏感负荷电压凹陷敏感度的新方法。

• it could dynamically detect voltage sag characteristics including sag amplitude, sag duration and phase jump.

  该方法可以实现对单相电压凹陷幅值、起止时刻和相位跳变等特征量的动态检测。

• voltage sag , as one of the important aspect of power quality, its research is just underway in our country, which has no criterion related.

  而作为电能质量中的一个重要方面――电压凹陷，在我国的研究则刚刚起步，至今没有相应的国家标準。

• for the operation of dynamic voltage restorer, fast and exact detection of voltage sag characteristics is very important.

  快速、準确地检测出系统电压跌落的特征量是动态电压恢复器运行的前提条件。

• with the consideration of the voltage sag duration and the phase-angle jump, the vulnerable areas of voltage sag are revised more accurately.

  并在此基础上考虑电压暂降持续时间、相位跳变等因素，对电压暂降凹陷域进行修正，从而更加精确地确定凹陷域。

• the precise decision of the time that the voltage sag occurs and recovers will be the first problem to be solve for the sag characteristic parameters.

  电压跌落的发生、恢复时间的精确确定是获得跌落特性参数而首先要解决的问题。